(11941) Archinal Inner Main-belt Asteroid
Discovered on 23 May 1993 by Shoemaker, C. S., Levy, D. H. at Palomar.
An active amateur astronomer, Brent Archinal (b. 1956) specializes in correcting catalog data for stellar groupings and nonstellar objects. He also has finished the most complete catalog yet assembled of open and globular clusters. Today he works for the U.S. Geological Survey in Flagstaff, Arizona.Naming citation (20001111/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Archinal is today
Seen from above the solar system on 2026-10-14: Archinal is 1.89 au from the Sun and 1.38 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 11941 |
| Provisional designation | 1993 KT1 |
| Orbit class | Inner Main-belt Asteroid |
| Diameter | 4.85 km (#10,914 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.189 |
| Rotation period | 2.72 hours |
| Absolute magnitude (H) | 14.35 |
| Orbital period | 2.73 years |
| Semi-major axis | 1.95 au |
| Perihelion – aphelion | 1.85 – 2.05 au |
| Eccentricity | 0.0505 |
| Inclination | 25.1° |
| Closest distance between its orbit and Earth's (MOID) | 0.848 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Brent
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